A rubber composition is based on at least one elastomer, a reinforcing filler, a crosslinking system and from 5 to 100 phr of a crumb rubber, the crumb having a mean size D50 of between 100 and 300 μm, and a particle size distribution such that the ratio of the mean sizes D10/D50 is greater than or equal to 0.5; the composition also comprises 1 to 10 phr of a tackifying resin having a number-average molecular weight (Mn) greater than 800 g/mol and a polydispersity index (PI) greater than or equal to 2.0.


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    Title :

    RUBBER COMPOSITION COMPRISING A SPECIFIC CRUMB RUBBER


    Contributors:

    Publication date :

    2021-06-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS



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